\doxysection{arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15 Struct Reference}
\hypertarget{structarm__cfft__radix2__instance__q15}{}\label{structarm__cfft__radix2__instance__q15}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}


Instance structure for the Q15 CFFT/\+CIFFT function.  




{\ttfamily \#include $<$arm\+\_\+math.\+h$>$}

\doxysubsubsection*{Public Attributes}
\begin{DoxyCompactItemize}
\item 
uint16\+\_\+t \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_a874085647351dcf3f0de39d2b1d49744}{fft\+Len}}
\item 
uint8\+\_\+t \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_ab5c073286bdd2f6e2bf783ced36bf1de}{ifft\+Flag}}
\item 
uint8\+\_\+t \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_af8300c1f60caa21e6b44b9240ab5af19}{bit\+Reverse\+Flag}}
\item 
const q15\+\_\+t \texorpdfstring{$\ast$}{*} \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_a7f8cecf327cbdd591ec254428794fccb}{p\+Twiddle}}
\item 
const uint16\+\_\+t \texorpdfstring{$\ast$}{*} \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_ab62b2aecc2713c7f94f4a261dc581d16}{p\+Bit\+Rev\+Table}}
\item 
uint16\+\_\+t \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_a6f2ab87fb4c568656e1f92f687b5c850}{twid\+Coef\+Modifier}}
\item 
uint16\+\_\+t \mbox{\hyperlink{structarm__cfft__radix2__instance__q15_a8722720c542cabd41df83fe88ef4f4cb}{bit\+Rev\+Factor}}
\end{DoxyCompactItemize}


\doxysubsection{Detailed Description}
Instance structure for the Q15 CFFT/\+CIFFT function. 

\label{doc-variable-members}
\Hypertarget{structarm__cfft__radix2__instance__q15_doc-variable-members}
\doxysubsection{Member Data Documentation}
\Hypertarget{structarm__cfft__radix2__instance__q15_af8300c1f60caa21e6b44b9240ab5af19}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!bitReverseFlag@{bitReverseFlag}}
\index{bitReverseFlag@{bitReverseFlag}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{bitReverseFlag}{bitReverseFlag}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_af8300c1f60caa21e6b44b9240ab5af19} 
uint8\+\_\+t arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::bit\+Reverse\+Flag}

flag that enables (bit\+Reverse\+Flag=1) or disables (bit\+Reverse\+Flag=0) bit reversal of output. \Hypertarget{structarm__cfft__radix2__instance__q15_a8722720c542cabd41df83fe88ef4f4cb}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!bitRevFactor@{bitRevFactor}}
\index{bitRevFactor@{bitRevFactor}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{bitRevFactor}{bitRevFactor}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_a8722720c542cabd41df83fe88ef4f4cb} 
uint16\+\_\+t arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::bit\+Rev\+Factor}

bit reversal modifier that supports different size FFTs with the same bit reversal table. \Hypertarget{structarm__cfft__radix2__instance__q15_a874085647351dcf3f0de39d2b1d49744}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!fftLen@{fftLen}}
\index{fftLen@{fftLen}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{fftLen}{fftLen}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_a874085647351dcf3f0de39d2b1d49744} 
uint16\+\_\+t arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::fft\+Len}

length of the FFT. \Hypertarget{structarm__cfft__radix2__instance__q15_ab5c073286bdd2f6e2bf783ced36bf1de}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!ifftFlag@{ifftFlag}}
\index{ifftFlag@{ifftFlag}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{ifftFlag}{ifftFlag}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_ab5c073286bdd2f6e2bf783ced36bf1de} 
uint8\+\_\+t arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::ifft\+Flag}

flag that selects forward (ifft\+Flag=0) or inverse (ifft\+Flag=1) transform. \Hypertarget{structarm__cfft__radix2__instance__q15_ab62b2aecc2713c7f94f4a261dc581d16}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!pBitRevTable@{pBitRevTable}}
\index{pBitRevTable@{pBitRevTable}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{pBitRevTable}{pBitRevTable}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_ab62b2aecc2713c7f94f4a261dc581d16} 
const uint16\+\_\+t \texorpdfstring{$\ast$}{*} arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::p\+Bit\+Rev\+Table}

points to the bit reversal table. \Hypertarget{structarm__cfft__radix2__instance__q15_a7f8cecf327cbdd591ec254428794fccb}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!pTwiddle@{pTwiddle}}
\index{pTwiddle@{pTwiddle}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{pTwiddle}{pTwiddle}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_a7f8cecf327cbdd591ec254428794fccb} 
const q15\+\_\+t \texorpdfstring{$\ast$}{*} arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::p\+Twiddle}

points to the Sin twiddle factor table. \Hypertarget{structarm__cfft__radix2__instance__q15_a6f2ab87fb4c568656e1f92f687b5c850}\index{arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}!twidCoefModifier@{twidCoefModifier}}
\index{twidCoefModifier@{twidCoefModifier}!arm\_cfft\_radix2\_instance\_q15@{arm\_cfft\_radix2\_instance\_q15}}
\doxysubsubsection{\texorpdfstring{twidCoefModifier}{twidCoefModifier}}
{\footnotesize\ttfamily \label{structarm__cfft__radix2__instance__q15_a6f2ab87fb4c568656e1f92f687b5c850} 
uint16\+\_\+t arm\+\_\+cfft\+\_\+radix2\+\_\+instance\+\_\+q15\+::twid\+Coef\+Modifier}

twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. 

The documentation for this struct was generated from the following files\+:\begin{DoxyCompactItemize}
\item 
C\+:/\+Users/\+ASUS/\+Desktop/dm-\/ctrl\+H7-\/balance-\/9025test/\+Middlewares/\+ST/\+ARM/\+DSP/\+Inc/arm\+\_\+math.\+h\item 
C\+:/\+Users/\+ASUS/\+Desktop/dm-\/ctrl\+H7-\/balance-\/9025test/\+Middlewares/\+ST/\+ARM/\+DSP/\+Include/dsp/transform\+\_\+functions.\+h\end{DoxyCompactItemize}
